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231679 (1995 QE1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2231679
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428246742137635 1.1092e-07  
a 3.234623240973288 6.4444e-08 au
q 2.77263923037701 3.6682e-07 au
i 5.23624263280209 1.4608e-05 deg
node 162.7264431481841 0.00012775 deg
peri 145.0395120862926 0.00014321 deg
M 209.2762641694434 5.4215e-05 deg
tp 2458290.137600508826
(2018-Jun-20.63760051)
0.00032499 JED
period 2124.877906046756
5.82
6.3501e-05
1.739e-07
d
yr
n .1694214989838002 5.0631e-09 deg/d
Q 3.696607251569565 7.3648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      6652 days (18.21 yr)  
   first obs. used      1995-08-19  
   last obs. used      2013-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59902  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-12 00:11:26  

Additional Information
 Earth MOID = 1.75822 au 
 Jupiter MOID = 1.58137 au 
 T_jup = 3.163 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9 mag n/a MPO245471  

231679 (1995 QE1)          Discovered 1995-Aug-19 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 1995 QE1 = 1995 SB40 = 2001 SC208 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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